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Should plain films of the lumbar spine be taken in the posterior-to-anterior or anterior-to-posterior position? A study using decision analysis

Young, K.J. (2007) Should plain films of the lumbar spine be taken in the posterior-to-anterior or anterior-to-posterior position? A study using decision analysis. Journal of Manipulative and Physiological Therapeutics, 30 (3). pp. 200-205.

Link to Published Version: http://dx.doi.org/10.1016/j.jmpt.2007.01.013
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Abstract

Objective
The objective of this study was to mathematically propose the best position for frontally oriented lumbar spine radiographs.

Methods
Decision analysis with a decision tree was used in this study. Factors used in the analysis were radiation dose, ease of implementation, image quality, cost, and patient comfort. Data on these factors were gathered by reviewing the literature.

Results
Radiation dose was found to be the only factor with significant differences between the posterior-to-anterior (PA) position and the anterior-to-posterior (AP) position, and PA films gave lower doses to sensitive organs as compared with AP films. There is also some evidence that PA films show better overall image quality as compared with AP films.

Conclusions
Based on the information used in this study, lumbar spine plain film radiographs should be obtained in the PA position.

Publication Type: Journal Article
Publisher: Mosby Inc.
Copyright: 2007 by National University of Health Sciences
URI: http://researchrepository.murdoch.edu.au/id/eprint/12715
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